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Additional info: reporter: libreport-2.8.0 WARNING: CPU: 3 PID: 7947 at kernel/locking/lockdep.c:3511 lock_release+0x384/0x690 DEBUG_LOCKS_WARN_ON(depth <= 0) Modules linked in: xt_addrtype br_netfilter xfs dm_thin_pool dm_persistent_data dm_bio_prison libcrc32c loop xt_CHECKSUM ipt_MASQUERADE nf_nat_masquerade_ipv4 tun pppoe pppox ppp_generic slhc ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc ip6table_security ip6table_raw ip6table_mangle ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 iptable_security iptable_raw iptable_mangle iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat ebtable_filter ebtables ip6table_filter ip6_tables vfat fat intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm iTCO_wdt irqbypass iTCO_vendor_support snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_hdmi crc32_pclmul snd_hda_codec_generic ghash_clmulni_intel intel_cstate eeepc_wmi asus_wmi sparse_keymap rfkill mxm_wmi joydev intel_uncore intel_rapl_perf snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_seq snd_seq_device i2c_i801 i2c_smbus snd_pcm lpc_ich snd_timer snd mei_me mei soundcore shpchp tpm_infineon wmi soc_button_array tpm_tis tpm_tis_core tpm nfsd auth_rpcgss nfs_acl lockd grace sunrpc nf_conntrack_pptp nf_conntrack_proto_gre nf_conntrack i915 crc32c_intel i2c_algo_bit drm_kms_helper serio_raw drm e1000e ptp pps_core fjes video CPU: 3 PID: 7947 Comm: CPU 1/KVM Not tainted 4.9.0-0.rc6.git2.1.fc26.x86_64 #1 Hardware name: ASUS All Series/Z87-PLUS, BIOS 1207 07/01/2013 ffffb3f683e5fc28 ffffffffbc477383 ffffb3f683e5fc78 0000000000000000 ffffb3f683e5fc68 ffffffffbc0afc3b 00000db7bc204e69 ffffffffbc30b73d 0000000000000000 0000000000000001 ffff943eccc17520 0000559cb59d79d8 Call Trace: [<ffffffffbc477383>] dump_stack+0x86/0xc3 [<ffffffffbc0afc3b>] __warn+0xcb/0xf0 [<ffffffffbc30b73d>] ? aio_write+0x10d/0x170 [<ffffffffbc0afcbf>] warn_slowpath_fmt+0x5f/0x80 [<ffffffffbc204f40>] ? __generic_file_write_iter+0xc0/0x1d0 [<ffffffffbc113704>] lock_release+0x384/0x690 [<ffffffffbc2f4f12>] ? blkdev_write_iter+0xa2/0x100 [<ffffffffbc30b75e>] aio_write+0x12e/0x170 [<ffffffffbc240963>] ? __might_fault+0x43/0xa0 [<ffffffffbc30c8f2>] do_io_submit+0x382/0x8f0 [<ffffffffbc30c718>] ? do_io_submit+0x1a8/0x8f0 [<ffffffffbc30ce70>] SyS_io_submit+0x10/0x20 [<ffffffffbc9174c1>] entry_SYSCALL_64_fastpath+0x1f/0xc2
Created attachment 1226167 [details] File: dmesg
Doing some pruning, this bug looks to be years old. Please test on a newer kernel and reopen if the problem still exists.